The ad from the Log Cabin Republicans contends that ballot measures limiting fracking could cost Colorado tens of thousands of jobs. The spot notes that Polis is independently wealthy. It contends he is financing the ballot challenges to energy exploration in Colorado.

The ad is noteworthy because Polis is openly gay.

The Log Cabin Republicans say they get involved in economic issues and that Polis' sexual orientation was not the reason for the ad.

More than 10 ballot measures could be on the November ballot. The Log Cabin Republican ad is just part of what is expected to be a wave of outside spending on the issue.